Question

a train starting from railway station attains a speed of 21 metre per second in 1 minute.find its acceleration.

Answer 1

This is how we do this :)

Answer 2

Answer:

2.85 m/s²

Step-by-step explanation:

a = v-u ÷ t

v = 21 m/s

u = 0 m/s

t = 1 minute = 60 seconds

a = 21 m/s - 0 m/s ÷ 60 s

a = 21 m/s ÷ 60 s

a = 2.85 m/s²

how i divided - above picture